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Colligative properties of a solution dep...

Colligative properties of a solution depends upon

A

nature of solute only

B

nature of both solute and solvent

C

number of solute particles

D

number of solvent particles

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The correct Answer is:
C
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Colligative properties of a solution depend upon the number of moles of a solute dissolved and do not depend upon the nature of the solute. However, they are applicable only to dilute solutions in which the solutes do not undergo any association or dissociation. For solutes undergoing such changes, van't Hoff introduced a factor, called van't Hoff factor (i). This has helped not only to explain the abnormal molecular masses of such solutes in the solution but has also helped to calculate the degree of association or dissociation. Which one of the following aqueous solutions will have the lowest freezing point ?

Colligative properties of the solution depend upon

Knowledge Check

  • Colligative properties of a solution depend upon :

    A
    Molarity
    B
    Number of moles of solute
    C
    Number of moles of solvent
    D
    Nature of solute.

  • Colligative properties of a solution depend upon:

    A
    Nature of the solution
    B
    Nature of the solvent
    C
    Number of solute particles
    D
    Number of moles of solvent

  • Colligative properties of a solution depend upon the number of moles of a solute dissolved and do not depend upon the nature of the solute. However, they are applicable only to dilute solutions in which the solutes do not undergo any association or dissociation. For solutes undergoing such changes, van't Hoff introduced a factor, called van't Hoff factor (i). This has helped not only to explain the abnormal molecular masses of such solutes in the solution but has also helped to calculate the degree of association or dissociation. The van't Hoff factor for 0.1 M Ba(NO_(3))_(2) solution is 2.74. The degree of dissociation is

    A
    `91.3%`
    B
    `87%`
    C
    `100%`
    D
    `74%`

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    Colligative properties of the solution depend upon :

    Colligative properties of the solution depend upon

    The colligative properties of a solution depend on

    Colligative properties of solution depend upon the number of particles present in solution. Experimental values colligative properties for electrolytes are always higher than these obtained theoretically because electrolyte dissociates to furnish more ions in solution. The ration of experimental values to theoretical values is called as van't Hoff factor (i) . For 1M solution of a weak acid HA , the dissociation constant K in terms of van't Hoff factor:

    Colligative properties of solution depend upon the number of particles present in solution. Experimental values colligative properties for electrolytes are always higher than these obtained theoretically because electrolyte dissociates to furnish more ions in solution. The ration of experimental values to theoretical values is called as van't Hoff factor (i) . The correct order of freezing point for the following, each are 1 molal solutions in water and take alpha = 1 : (i) Urea , (ii) NaCl (iii) Na_(3)PO_(4) , (iv) Na_(2)SO_(4)

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